Maintenance - Cambelt, Hydraulics Bleeding the fuel system The injection pump on the XLD 418TCI diesel engine is self priming, however, should you change the filter or run out of fuel, the system will need bleeding as far as the fuel filter. A hand pump is fitted to the top of the fuel filter housing for this purpose (see below). 1. Depress the two small buttons on the end of the outlet pipe on the filter assembly and pull the pipe off the fitting after ensuring the area is clean. 2. Depress the filter hand primer repeatedly until air-free fuel flows from the filter outlet. 3. Replace the outlet pipe back onto the filter taking care to avoid any ingress of dirt. 4. Start the engine as normal but avoid turning the engine over continually for above 20 secs to avoid damage to the starter motor - it may take several attempts. Valve clearances. Due to the design of the camshaft and followers there is very little wear on the tappets and only infrequent adjustment is required. The tolerances should be checked as per the maintenance schedule. If adjustment is needed it is recommended that it be done either by a Ford motor dealer, T.J. Frazier or your dealer. (Special tools are required). Tolerances: (cold) Inlet - 0.235 to 0.365 mm Exhaust - 0.435 to 0.565 mm. Camshaft / injection pump drive belts. The camshaft drive belt should be replaced as a matter of course every 600 hours and the injection pump belt every 1200 hrs. This routine work can be carried out by either ourselves, by some of our main dealers or by your nearest Ford car/commercial dealer.  Special tools are required and the job should not be attempted without these tools and the appropriate service manual. Failure to replace the cam belt at the recommended intervals or failure to follow the correct fitting procedure can lead to belt failure which will result in serious and costly engine damage. NB. The cambelt fitted to the Phantom engine type XLD418TCI is not the original due to modifications that have been carried out to the crankshaft / hydraulic drive system. The correct replacement belt to use is Ford Finnis code no. 7174114. Hydraulic system. The standard hydraulic system develops a maximum of 6hp (at the PTO) Please consult the manufacturer if you wish to drive anything other than a conventional diaphragm sprayer pump or Vicon, Lely Centreliner or Amazone twin disc fertiliser spreaders. Do not alter the relief valve settings on either the spool valve or flow divider without consulting the manufacturer. They are preset at: PTO flow control (main relief) 1900 PSI, Spool valve relief valve 1800 PSI, front steering 1050 PSI and rear steering 1450 psi. See appendices for information on uprated and non-standard hydraulic systems. < 30 >